There is wet food and dry food. Wet food is easier to serve and reduces the chance of your cat getting a lower urinary tract infection. On the other hand, dry food can be served with the use of food and treat machines. Also, if you are depressing over some life matters, get a legitimate ESA letter online, and take some time off with your pet. No worries about taking your pet to the flight, with an ESA letter online. You can take your pet anywhere you want without any restrictions.